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    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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    <!-- audio 音频  controls加了以后可以播放-->
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    <audio src="./other/horse.ogv" controls></audio>
    <video src="./other/movie (1).ogv" controls></video>
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